Moderate Cosmetic Ingredient

Colloidal Gold/Camellia Sinensis Leaf Powder

INCI: COLLOIDAL GOLD/CAMELLIA SINENSIS LEAF POWDER

CAS Number
7440-57-5 (gold component); no unique CAS assigned for the combined ingredient
Function
Antioxidant, skin conditioning, skin protecting, humectant
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Allowed - not prohibited or restricted; CIR Expert Panel reviewed Camellia sinensis-derived ingredients and concluded safe as used in cosmetics (up to 0.86% in leave-on, 1% in rinse-off)

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Gold nanoparticle size should be controlled to limit skin penetration; potential sensitization in rare cases; beverage-based systemic exposure of tea far exceeds cosmetic exposure. Combines the inert, anti-inflammatory reputation of colloidal gold with green tea's polyphenol-rich antioxidant profile (catechins, EGCG); suitable for all skin types, particularly demanding and sensitive skin

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Colloidal Gold/Camellia Sinensis Leaf Powder safe in cosmetics?

Gold nanoparticle size should be controlled to limit skin penetration; potential sensitization in rare cases; beverage-based systemic exposure of tea far exceeds cosmetic exposure. Combines the inert, anti-inflammatory reputation of colloidal gold with green tea's polyphenol-rich antioxidant profile (catechins, EGCG); suitable for all skin types, particularly demanding and sensitive skin The EU classifies Colloidal Gold/Camellia Sinensis Leaf Powder as "restricted". Safety rating: MODERATE.

Is Colloidal Gold/Camellia Sinensis Leaf Powder allowed in the EU?

Colloidal Gold/Camellia Sinensis Leaf Powder EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Colloidal Gold/Camellia Sinensis Leaf Powder do in cosmetics?

Colloidal Gold/Camellia Sinensis Leaf Powder functions as: Antioxidant, skin conditioning, skin protecting, humectant. It is classified as a cosmetic ingredient in our database. CAS number: 7440-57-5 (gold component); no unique CAS assigned for the combined ingredient.

What is the Margin of Safety for Colloidal Gold/Camellia Sinensis Leaf Powder?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

Compliance Tools

Check Colloidal Gold/Camellia Sinensis Leaf Powder compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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